Hi Alex,
I'm not sure if you want me to take back ownership and mark it Resolved/Fixed 
or if you are just suggesting a different alternative than my patch and will 
handle it.  
Dave

> -----Original Message-----
> From: Damian, Alexandru [mailto:[email protected]]
> Sent: Tuesday, March 24, 2015 10:29 AM
> To: Lerner, Dave
> Cc: BARROS PENA, BELEN; [email protected]
> Subject: Re: [Toaster] [review-request] 7414-cut the prefix from layer file 
> paths for
> bitbake variables
> 
> Hi,
> 
> 
> After thinking about the issue, if we mangle at build time, we'll have trouble
> distinguishing between paths originating in the layer directories and paths 
> in the build
> directory. So the good solution is that we mangle the path at display time, 
> and I will
> be taking this patch.
> 
> 
> I have some more comments below,
> 
> 
> Cheers,
> 
> Alex
> 
> 
> On Wed, Mar 18, 2015 at 3:48 PM, Lerner, David M (Wind River)
> <[email protected]> wrote:
> 
> 
>       Alex,
>       I've thought about this some more... see below.
>       Dave
> 
>       > -----Original Message-----
>       > From: Damian, Alexandru [mailto:[email protected]]
>       > Sent: Tuesday, March 17, 2015 10:19 AM
>       > To: BARROS PENA, BELEN
>       > Cc: Lerner, Dave; [email protected]
>       > Subject: Re: [Toaster] [review-request] 7414-cut the prefix from 
> layer file paths
> for
>       > bitbake variables
>       >
>       > Hi,
>       >
>       >
>       > Sorry for the significant delay in addressing this patch - I've been 
> a bit
> overwhelmed.
> 
>       It's not a significant delay and the delay is not a problem.
> 
>       >
>       >
>       > I am NOT taking this patch because of the way the layer matching is 
> done.
>       >
>       >
>       > We already have local paths for layers present in the build in the 
> Layer object;
> we also
>       > know _where_ the build took place, for we have
>       > "build.buildrequest.buildenvironment.builddir" variable that holds 
> the path to
> the build
>       > directory.
> 
>       Either there is a bug, or your claim isn't quite right regarding
> orm_layer.local_paths which are all empty or null for a yocto release build.  
> That was
> my first choice examining the database, but not possible since data was 
> missing.
> 
> 
> 
> ​I should've been more clear than this. The layers which HAVE BEEN built​ 
> have local_path
> set to a correct value. The layers that we know about because they are 
> imported manually
> or from Layer Index, the local_path is NULL. The variables are always 
> attached to a
> build, so the layers on which the variables are modified will have local_path 
> set to
> something else than NULL.
> 
> 
> 
> 
> 
> 
>       > We must verify that the file path starts with one of the layer paths 
> or the build
>       > environment builddir path, and strip that leading path from the full 
> file path.
>       >
> 
>       I agree that would make more sense, but that data isn't in the table, 
> and I believe
> due to performance reasons, that it should be done at display-a-page time.
> 
>       > I would also expect this to be done at data logging time instead of 
> data display
> time
>       > (i.e. in the buildinfohelper.py), with the distinct advantage of 
> speeding up page
>       > processing time.
> 
> 
>       Since build-time layer path extraction for the given database 
> structures penalizes
> all build times for the low likelihood that some user wants the path to a 
> layer, I would
> recommend adding just a little more processing time to the data logging as 
> follows:
> 
>       a) Constraining Layer.local_path to non-null, and always populating 
> that field,
> 
> 
> 
> ​This is impossible due to the fact that we keep info about layers that have​ 
> not been
> checked-out in that table.
> 
> 
> 
> 
>       b) normalizing things a bit by creating a new Model Config which has:
>       b1) the full path that was formerly in the (non-normalized)
> VariableHistory.file_name and
>       b2) a foreign key to from Config to it's Layer, calculated once
>       c) modifying (normalizing) orm_variablehistory
>       c1) removing orm_variablehistory.file_name and
>       c2) replacing that with a foreign key to it's defining Config model.
> 
> 
> 
> 
> ​Yes, this makes sense. Still it wouldn't work 100% because some variables 
> are modified
> outside any Layer checkout (i.e. in the build directory). Having foreign keys 
> to
> different objects to re-compute the path in the "Config" model would be 
> unworkable in
> the queries sense.
> ​
> 
> 
> 
>       Then display time could just join on demand to find the config file's 
> layer's local
> path whenever the last bitbake path or history is required.
> 
>       Or else provide the display-time matching against a non-null 
> Layer.file_name, which
> would be much faster since the set of layers is of order 10^ and the list to 
> match is at
> most 150 variables(per page),  still my first choice.
> 
>       Dave
> 
>       >
>       > Thank you,
>       >
>       > Alex
>       >
> 
>       My recommendations are:
>       1) to populate the Layer model with local_path in all cases, changing 
> the
> local_path to NOT NULL
>       2) perform the trim of variable names at display time, which should be 
> faster than
> penalizing builds with Config model updates, or variable defined file 
> stripping for
> every new config file read.
>       OR)
>       3) add the Config model, update each variable log with the key to the 
> Config model.
> 
> 
> 
>       >
>       > On Mon, Mar 16, 2015 at 3:41 PM, Barros Pena, Belen 
> <[email protected]>
> wrote:
>       >
>       >
>       >
>       >
>       >       On 16/03/2015 14:14, "Lerner, Dave" <[email protected]> 
> wrote:
>       >
>       >       >Hi Belen,
>       >       >
>       >       >> -----Original Message-----
>       >       >> From: Barros Pena, Belen [mailto:[email protected]]
>       >       >> Sent: Friday, March 13, 2015 9:17 AM
>       >       >> To: Lerner, Dave
>       >       >> Cc: [email protected]
>       >       >> Subject: Re: [review-request] 7414-cut the prefix from layer 
> file paths
>       >       >>for bitbake
>       >       >> variables
>       >       >>
>       >       >> Hi Dave,
>       >       >>
>       >       >> This is looking good. But I've realised I forgot about 
> something. Not
>       >       >>all
>       >       >> files setting variables are inside a layer: some of them are
>       >       >>configuration
>       >       >> files inside the /build or /bitbake directories.
>       >       >>
>       >       >> I guess we should also cut those, showing only the path 
> inside the root
>       >       >> source directory. So something like
>       >       >>
>       >       >> /home/user/poky/build/conf/local.conf
>       >       >>
>       >       >> Would show as
>       >       >>
>       >       >> build/conf/local.conf
>       >       >>
>       >       >> I am not fully sure if this is the right thing to do, so I'd 
> be
>       >       >>interested
>       >       >> in hearing what you and the others think.
>       >       >>
>       >       >> I also realise this was not explicitly explained in the 
> original bug. If
>       >       >> you want me to open a separate issue in Bugzilla, I can do 
> so: just let
>       >       >>me
>       >       >> know.
>       >       >
>       >       >Please open a separate bug and give Alex the ok for 7414.  
> Layer relative
>       >       >makes sense to me, active-build-directory-relative does not, 
> too many
>       >       >questions "what is the relative to?" are raised.
>       >
>       >
>       >       
> http://git.yoctoproject.org/cgit/cgit.cgi/poky-contrib/log/?h=lerner/trim_v
> 
>       >       arpath_7414 <http://git.yoctoproject.org/cgit/cgit.cgi/poky-
>       > contrib/log/?h=lerner/trim_v  arpath_7414>
> 
>       >
>       >       is good to go, then. I've opened this
>       >
>       >       https://bugzilla.yoctoproject.org/show_bug.cgi?id=7463
>       >
>       >       for the configuration file paths.
>       >
>       >       Cheers
>       >
>       >       Belén
>       >
>       >
>       >
>       >       >
>       >       >Dave
>       >       >
>       >       >>
>       >       >> Thanks!
>       >       >>
>       >       >> Belén
>       >       >>
>       >       >> On 12/03/2015 15:48, "Lerner, Dave" 
> <[email protected]> wrote:
>       >       >>
>       >       >> >rebased.
>       >       >> >Dave
>       >       >> >
>       >       >> >> -----Original Message-----
>       >       >> >> From: Lerner, Dave
>       >       >> >> Sent: Thursday, March 12, 2015 10:46 AM
>       >       >> >> To: Barros Pena, Belen ([email protected])
>       >       >> >> Subject: RE: [review-request] 7414-cut the prefix from 
> layer file
>       >       >>paths
>       >       >> >>for bitbake
>       >       >> >> variables
>       >       >> >>
>       >       >> >> I don't think that I rebased (since Tuesday) before I 
> pushed.  Can
>       >       >>you
>       >       >> >>hold off pulling
>       >       >> >> for 15 minutes?  I'll send a note when rebased.
>       >       >> >> Dave
>       >       >> >>
>       >       >> >> > -----Original Message-----
>       >       >> >> > From: Lerner, Dave
>       >       >> >> > Sent: Thursday, March 12, 2015 10:29 AM
>       >       >> >> > To: Barros Pena, Belen ([email protected]); 
> Damian,
>       >       >> >>Alexandru
>       >       >> >> > ([email protected])
>       >       >> >> > Cc: [email protected]
>       >       >> >> > Subject: [review-request] 7414-cut the prefix from 
> layer file paths
>       >       >> >>for bitbake
>       >       >> >> > variables
>       >       >> >> >
>       >       >> >> >
>       >       >>
>       >       
> >>>>http://git.yoctoproject.org/cgit/cgit.cgi/poky-contrib/log/?h=lerner/tr
>       >       >>>>im
>       >       >> >>_varpath_7414
>       >       >> >> >
>       >       >> >> >
>       >       >> >> > Page Testing:
>       >       >> >> > Create project using yocto master which includes 
> openembedded-core,
>       >       >> >>meta-yocto and
>       >       >> >> meta-
>       >       >> >> > yocto-bsp, then add layers meta-oe, meta-games.
>       >       >> >> > Build the project.
>       >       >> >> >
>       >       >> >> > Open the build, configuration page, bitbake variables.
>       >       >> >> > Note the following types of variable path names in the 
> "Set in
>       >       >>file"
>       >       >> >>column and when
>       >       >> >> > clicking the variable in the History.
>       >       >> >> >
>       >       >> >> > Variable: B
>       >       >> >> > Set in file/history:  meta/conf/bitbake.conf
>       >       >> >> >
>       >       >> >> > Variable: BBFILE_PATTERN_core
>       >       >> >> > Set in file: full path to configure
>       >       >> >> > History: first meta/conf/layer.conf, then
>       >       >> >> > 
> /path/_poky_master.toaster_cloned/bitbake/lib/bb/data_smart.py
>       >       >> >> >
>       >       >> >> > Variable: BBFILE_PATTTERN_games-layers
>       >       >> >> > Set in file and History:
>       >       >> >>meta-games_master.toaster_cloned/conf/layer.conf
>       >       >> >> >
>       >       >> >> >
>       >       >> >> > HTML Validation: Pass
>       >       >> >> > Dave Lerner
>       >       >>
>       >       >
>       >
>       >       --
>       >       _______________________________________________
>       >       toaster mailing list
>       >       [email protected]
>       >       https://lists.yoctoproject.org/listinfo/toaster
>       >
>       >
>       >
>       >
>       >
>       > --
>       >
>       > Alex Damian
>       > Yocto Project
>       >
>       > SSG / OTC
> 
> 
> 
> 
> 
> --
> 
> Alex Damian
> Yocto Project
> 
> SSG / OTC
-- 
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